2nd Generation Specific 1986-1992 Discussion

Oil Pressure

Old 03-08-2004, 02:53 PM
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ok in my vert when i am idling in drive with the ac on the oil pressure is barely over 0, its at about 500-750 rpm. when the ac is off it is about 15psi. is this normal? the oil is almost full and it is 10w30.
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Old 03-08-2004, 02:59 PM
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Does the idle drop when you hit the A/C?



Also, you suck. You shouldn't know about any A/C problems until May!!!
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Old 03-08-2004, 03:01 PM
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yeah it drops when i hit the ac. also the fsm says in neutral at 3000rpm it should be at 50 psi, and thats where it is.
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Old 03-08-2004, 03:12 PM
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The shop that did my rebuild says that is normal. Mine is the same and it worried me enough to want to put in the thermopellet to allow for higher oil flow at start up. My shop said that was a waste of money and time. So I did not. I have not had any problems with my car from that regard.
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Old 03-08-2004, 03:31 PM
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what shop, do they know their stuff? also how long has it been? thanks
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Old 03-08-2004, 03:33 PM
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I think the BAC is responsible for maintaining the idle with accessories turned on. That may be the problem.
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Old 03-08-2004, 03:59 PM
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Originally Posted by UniqueTII' date='Mar 8 2004, 03:33 PM
I think the BAC is responsible for maintaining the idle with accessories turned on. That may be the problem.
whats the bac and where is it?
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Old 03-08-2004, 04:01 PM
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The shop I am talking about is the Rotary Shop on West Vickery here in Fort Worth.



They did a very good job on my rebuild. very good. I have had no problems with it in the least. Strong engine with quality parts. The owner used to race RX-7's and knows his stuff.



It has been over a year on the rebuild with no problems what so ever. Knock on wood....
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Old 03-08-2004, 04:04 PM
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The BAC is bolted to the upper intake manifold on the drivers side. It is above the oil filler neck in that area.



It has 3 hoses coming out of it. 2 coolant lines and one large vacuum line out the top that leads to a pipe heading to the TB. It also has a plug going into a round disc like thing on the front of it.
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Old 03-08-2004, 04:47 PM
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hmm didnt know there was a rotary shop in ft worth, thats good to know. thanks for the help guys, and how can i check if the bac is bad?
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